How many people were killed or seriously injured in Sefton?

In 2024, Sefton recorded 110 people killed or seriously injured (KSI) on its roads, out of 382 reported casualties of all severities. KSI uses the DfT severity-adjusted estimate. This ranks Sefton #94 of 208 Great Britain local authorities by KSI count. Source: DfT STATS19 (RAS0403), Open Government Licence v3.0.

Does Sefton have a lot of road casualties compared with other areas?

Sefton ranks #118 of 208 Great Britain local authorities by total reported casualties and #94 by KSI. Importantly, these are absolute counts, not risk rates — areas with larger populations and more traffic record more casualties. To judge how dangerous roads are relative to traffic, a rate per vehicle or per mile is needed; these figures show the casualty burden, not per-capita risk. Source: DfT STATS19, OGL v3.0.

KSI stands for "Killed or Seriously Injured", a Department for Transport classification from the STATS19 police reporting system. "Killed" means death within 30 days of the collision; "seriously injured" covers injuries requiring hospital admission or otherwise assessed as serious. The KSI figure shown uses DfT's severity-adjusted estimate so it is comparable across years and areas.

Road casualties in Sefton

North West · 2024 · DfT STATS19

How many road casualties were there in Sefton?

In 2024, Sefton (North West) recorded 382 reported road casualties of all severities, of which 110 were killed or seriously injured (KSI). That places Sefton at rank #118 of 208 Great Britain local authorities by total casualties (#94 by KSI), accounting for 0.30% of the Great Britain casualty total. These are police-reported counts, not risk rates. Source: DfT STATS19, OGL v3.0.

Data period: 2024 · last updated 2026-06-25

All casualties: 382
Killed or seriously injured: 110
Rank by casualties: #118 of 208
Rank by KSI: #94 of 208
Region: North West
Share of GB total: 0.30%

These are neutral official statistics from DfT STATS19 — police-reported casualty counts, not risk rates. Absolute totals are influenced by an area's population and traffic volume, so larger authorities record more casualties. They are not a direct measure of how dangerous the roads are per journey, nor an insurance premium predictor.

Compare with other areas

Select any Great Britain local authority to see its 2024 casualty figures and national rank.

Select a local authority (Great Britain)

Sefton · North West · 2024

382

reported road casualties (all severities)

Killed or seriously injured

110

Rank by casualties

#118 of 208

Rank by KSI

#94 of 208

Share of Great Britain total casualties

0.30%

Source: DfT STATS19 reported road casualties (2024), table RAS0403. Counts are police-reported; KSI uses the DfT severity-adjusted estimate. Open Government Licence v3.0.

Sefton road casualties — frequently asked questions

How many road casualties were there in Sefton in 2024?: In 2024, Sefton (North West) recorded 382 reported road casualties of all severities, of which 110 were killed or seriously injured (KSI). That places Sefton at rank #118 of 208 Great Britain local authorities by total casualties (#94 by KSI), accounting for 0.30% of the Great Britain casualty total. These are police-reported counts, not risk rates. Source: DfT STATS19, OGL v3.0.
How many people were killed or seriously injured in Sefton?: In 2024, Sefton recorded 110 people killed or seriously injured (KSI) on its roads, out of 382 reported casualties of all severities. KSI uses the DfT severity-adjusted estimate. This ranks Sefton #94 of 208 Great Britain local authorities by KSI count. Source: DfT STATS19 (RAS0403), Open Government Licence v3.0.
Does Sefton have a lot of road casualties compared with other areas?: Sefton ranks #118 of 208 Great Britain local authorities by total reported casualties and #94 by KSI. Importantly, these are absolute counts, not risk rates — areas with larger populations and more traffic record more casualties. To judge how dangerous roads are relative to traffic, a rate per vehicle or per mile is needed; these figures show the casualty burden, not per-capita risk. Source: DfT STATS19, OGL v3.0.
What does KSI mean?: KSI stands for "Killed or Seriously Injured", a Department for Transport classification from the STATS19 police reporting system. "Killed" means death within 30 days of the collision; "seriously injured" covers injuries requiring hospital admission or otherwise assessed as serious. The KSI figure shown uses DfT's severity-adjusted estimate so it is comparable across years and areas.

Other local authorities in North West

Also see: all 208 local authorities and the national picture.

Compare car insurance for Sefton

GeraSure is building an insurance comparison tool that puts official road-safety data alongside your quote. Join the waitlist for early access.

Join the waitlist

Data period: 2024. Source: DfT — Reported road casualties Great Britain, annual report 2024 (STATS19); local authority table RAS0403. Contains public sector information licensed under the Open Government Licence v3.0.